Patents by Inventor Boris V. Sindeev

Boris V. Sindeev has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of producing active mineral additive for binding materials
    Patent number: 5092932
    Abstract: Initial granulated blast furnace or phosphatic slag is subjected to heat treatment at a temperature of 1000.degree.-1200.degree. C. in oxidizing gas atmosphere to produce an active mineral additive for binding materials.
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: March 3, 1992
    Inventors: Pavel P. Lerke, Stanislav V. Terekhovich, Boris V. Sindeev, Boris A. Kurnikov, Ilya M. Poddubny, Ivan I. Dongauzer, Valery V. Shnaider, Satbek Kozhamuratov, Alexandr P. Lerke